preposterously

From preposterous + -ly.

• (Received Pronunciation) IPA^(key): /pɹɪˈpɒstɹəsli/, /pɹɪˈpɒstəɹəsli/, /pɹə-/
• (General American) IPA^(key): /pɹəˈpɑstɹəsli/, /pɹəˈpɑstəɹəsli/

• Audio (US):

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preposterously (comparative more preposterously, superlative most preposterously)

1. In a preposterous manner.
   • 1852, William Hamilton, Discussions on Philosophy and Literature, Education and University Reform:

     Some, however, have preposterously sisted nature as the first or generative principle.

   • 2009 June 7, Paul Berman, “Telling the Tale”, in The New York Times‎^[1]:

     The opening sections of Martin’s biography are clogged with genealogical chronicles of the Garcías (the father’s family) and the Márquezes (the mother’s), snaking into the 19th century — a preposterously tangled story of cousins and noncousins united in wedlock, nonwedlock, near-incest, vendetta-mania and frontier trailblazing in the Colombian wilds […]